Dissecting Lightby: Christopher Proto and Edmund A. Marek

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White light is composed of the entire visible light spectrum, but how do you teach this to students in a hands-on way? The answer is simple: by using a spectroscope. This easy-to-make tool allows students to dissect light and in the process, develop an understanding that white light is composed of all the different colors of light. With this tool, students can bend white light and divide it into its component colors of red, orange, yellow, green, blue, indigo, and violet.

  • Middle
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Reviews (1)
  • on Sun Nov 06, 2011 8:50 PM

The suggested student activity that involves assembling a simple light spectrum from a plastic film cannister is fantastic! My middle school students were motivated, engaged, and were able to be so much more successful with their investigations compared to past years when I would use foil and paper towel tubing.

Alyce Dalzell  (Peyton, CO)
Alyce Dalzell (Peyton, CO)

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